In April 2023, Endeavor Group Holdings announced that UFC would merge with the wrestling promotion WWE to form TKO Group Holdings, a new Public company company majority-owned by Endeavor, with Vince McMahon serving as an executive chairman of the new entity and White remaining as UFC president.

[1] On August 9, 2023, U.S. District Judge Richard Boulware decided to grant class action status to more than 1,200 former UFC fighters who competed between December 2010 and June 2017 who are suing upward of for 1.6 billions in wages that the lawsuit claims Zuffa had abused its power to suppress UFC fighters' wages, setting the stage on 8, April, 2024 trial.

[6] The numbers below records the events, fights, techniques and fighters held or performed for the year of 2023 in UFC.

[7][8][9][10] Live Gate Live Gate Attendance Attendance 2:57:58 1:31:36 $12,432,563 $452,669.71 19,204 Title Fights in Their Divisions Champions Interim Champions Title Defenses Fighters Debutants Retired Suspended Starting in 2019, the UFC created year-end awards with "UFC Honors President's Choice Awards" for categories "Performance of the Year" and "Fight of the Year" being chosen by UFC CEO Dana White.

[16] Upsets Submissions Knockouts Fights These fighters have either been released from their UFC contracts, announced their retirement or joined other promotions: The following fighters fought their first UFC fight in 2023: The list below is based on fighters suspended either by (1) United States Anti-Doping Agency (USADA) or World Anti-Doping Agency (WADA) for violation of taking prohibited substances or non-analytical incidents, (2) by local commissions on misconduct during the fights or at event venues, or (3) by the UFC for reasons also stated below.